491054412541 has 8 divisors (see below), whose sum is σ = 612223683264. Its totient is φ = 382639801920.

The previous prime is 491054412529. The next prime is 491054412553. The reversal of 491054412541 is 145214450194.

It is an interprime number because it is at equal distance from previous prime (491054412529) and next prime (491054412553).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 491054412541 - 2⁹ = 491054412029 is a prime.

It is a super-2 number, since 2×491054412541² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 491054412494 and 491054412503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491054412341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3188664940 + ... + 3188665093.

It is an arithmetic number, because the mean of its divisors is an integer number (76527960408).

Almost surely, 2^491054412541 is an apocalyptic number.

It is an amenable number.

491054412541 is a deficient number, since it is larger than the sum of its proper divisors (121169270723).

491054412541 is a wasteful number, since it uses less digits than its factorization.

491054412541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6377330051.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 491054412541 in words is "four hundred ninety-one billion, fifty-four million, four hundred twelve thousand, five hundred forty-one".